INUS condition, causality, philosophy, logic, J.L. Mackie, cause and effect, problem solving, critical thinking

ISMS Certification Mark

[Certification Scope] Yeoshin Ticket Service Operation
[Validity Period] 2026.05.20 ~ 2029.05.19

KMR Certification Mark KAB Certification Mark

[Scope] Development and Operation of Yeoshin Ticket Service
Korea Management Registrar (KMR)